<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en" dir="ltr">
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
		<meta http-equiv="Content-Style-Type" content="text/css" />
		<meta name="generator" content="MediaWiki 1.16alpha-wmf" />
		<meta name="keywords" content="Efficient XML Interchange,2007,Binary XML,Binary file,Fast Infoset,May 8,World Wide Web Consortium,XML,Efficient XML Interchange Working Group" />
		<link rel="canonical" href="/wiki/Efficient_XML_Interchange" />
		<link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Efficient_XML_Interchange&amp;action=edit" />
		<link rel="edit" title="Edit this page" href="/w/index.php?title=Efficient_XML_Interchange&amp;action=edit" />
		<link rel="apple-touch-icon" href="http://en.wikipedia.org/apple-touch-icon.png" />
		<link rel="shortcut icon" href="/favicon.ico" />
		<link rel="search" type="application/opensearchdescription+xml" href="/w/opensearch_desc.php" title="Wikipedia (en)" />
		<link rel="copyright" href="http://creativecommons.org/licenses/by-sa/3.0/" />
		<link rel="alternate" type="application/rss+xml" title="Wikipedia RSS Feed" href="/w/index.php?title=Special:RecentChanges&amp;feed=rss" />
		<link rel="alternate" type="application/atom+xml" title="Wikipedia Atom Feed" href="/w/index.php?title=Special:RecentChanges&amp;feed=atom" />
		<title>Efficient XML Interchange - Wikipedia, the free encyclopedia</title>
		<link rel="stylesheet" href="/skins-1.5/common/shared.css?230" type="text/css" media="screen" />
		<link rel="stylesheet" href="/skins-1.5/common/commonPrint.css?230" type="text/css" media="print" />
		<link rel="stylesheet" href="/skins-1.5/monobook/main.css?230" type="text/css" media="screen" />
		<link rel="stylesheet" href="/skins-1.5/chick/main.css?230" type="text/css" media="handheld" />
		<!--[if lt IE 5.5000]><link rel="stylesheet" href="/skins-1.5/monobook/IE50Fixes.css?230" type="text/css" media="screen" /><![endif]-->
		<!--[if IE 5.5000]><link rel="stylesheet" href="/skins-1.5/monobook/IE55Fixes.css?230" type="text/css" media="screen" /><![endif]-->
		<!--[if IE 6]><link rel="stylesheet" href="/skins-1.5/monobook/IE60Fixes.css?230" type="text/css" media="screen" /><![endif]-->
		<!--[if IE 7]><link rel="stylesheet" href="/skins-1.5/monobook/IE70Fixes.css?230" type="text/css" media="screen" /><![endif]-->
		<link rel="stylesheet" href="/w/index.php?title=MediaWiki:Common.css&amp;usemsgcache=yes&amp;ctype=text%2Fcss&amp;smaxage=2678400&amp;action=raw&amp;maxage=2678400" type="text/css" />
		<link rel="stylesheet" href="/w/index.php?title=MediaWiki:Print.css&amp;usemsgcache=yes&amp;ctype=text%2Fcss&amp;smaxage=2678400&amp;action=raw&amp;maxage=2678400" type="text/css" media="print" />
		<link rel="stylesheet" href="/w/index.php?title=MediaWiki:Handheld.css&amp;usemsgcache=yes&amp;ctype=text%2Fcss&amp;smaxage=2678400&amp;action=raw&amp;maxage=2678400" type="text/css" media="handheld" />
		<link rel="stylesheet" href="/w/index.php?title=MediaWiki:Monobook.css&amp;usemsgcache=yes&amp;ctype=text%2Fcss&amp;smaxage=2678400&amp;action=raw&amp;maxage=2678400" type="text/css" />
		<link rel="stylesheet" href="/w/index.php?title=-&amp;action=raw&amp;maxage=2678400&amp;gen=css" type="text/css" />
		<!--[if lt IE 7]><script type="text/javascript" src="/skins-1.5/common/IEFixes.js?230"></script>
		<meta http-equiv="imagetoolbar" content="no" /><![endif]-->

		<script type="text/javascript"></script>

		<script type="text/javascript" src="/skins-1.5/common/wikibits.js?230"><!-- wikibits js --></script>
		<!-- Head Scripts -->
		<script type="text/javascript" src="/skins-1.5/common/ajax.js?230"></script>
		<script type="text/javascript" src="/skins-1.5/common/mwsuggest.js?230"></script>
		<script type="text/javascript"></script>
		<script type="text/javascript" src="http://upload.wikimedia.org/centralnotice/wikipedia/en/centralnotice.js?230"></script>

		<script type="text/javascript" src="/w/index.php?title=-&amp;action=raw&amp;gen=js&amp;useskin=monobook"><!-- site js --></script>
	</head>
<body class="mediawiki ltr ns-0 ns-subject page-Efficient_XML_Interchange skin-monobook">
	<div id="globalWrapper">
		<div id="column-content">
	<div id="content">
		<a name="top" id="top"></a>
		<div id="siteNotice"><script type='text/javascript'>if (wgNotice != '') document.writeln(wgNotice);</script></div>		<h1 id="firstHeading" class="firstHeading">Efficient XML Interchange</h1>
		<div id="bodyContent">
			<h3 id="siteSub">From Wikipedia, the free encyclopedia</h3>
			<div id="contentSub">  (Redirected from <a href="/w/index.php?title=EXI&amp;redirect=no" title="EXI">EXI</a>)</div>
									<div id="jump-to-nav">Jump to: <a href="#column-one">navigation</a>, <a href="#searchInput">search</a></div>			<!-- start content -->
			<p><b>Efficient XML Interchange</b> (EXI) is a proposed data format from the <a href="/w/index.php?title=Efficient_XML_Interchange_Working_Group&amp;action=edit&amp;redlink=1" class="new" title="Efficient XML Interchange Working Group (page does not exist)">Efficient XML Interchange Working Group</a> of the <a href="/wiki/World_Wide_Web_Consortium" title="World Wide Web Consortium">World Wide Web Consortium</a> (W3C). It is one of the various efforts to encode <a href="/wiki/XML" title="XML">XML</a> documents in a <a href="/wiki/Binary_file" title="Binary file">binary data format</a>, rather than plain text.</p>
<p>Using a binary XML format generally reduces the verbosity of XML documents, and may reduce cost of parsing. Performance of writing (generating) content is usually not similarly improved, although this depends on actual binary representation used.</p>
<p>The EXI format is derived from the AgileDelta Efficient XML format<sup id="cite_ref-0" class="reference"><a href="#cite_note-0"><span>[</span>1<span>]</span></a></sup>.</p>
<p><a name="See_also" id="See_also"></a></p>
<h2><span class="editsection">[<a href="/w/index.php?title=Efficient_XML_Interchange&amp;action=edit&amp;section=1" title="Edit section: See also">edit</a>]</span> <span class="mw-headline">See also</span></h2>
<ul>
<li><a href="/wiki/Binary_XML" title="Binary XML">Binary XML</a></li>
<li><a href="/wiki/Fast_Infoset" title="Fast Infoset">Fast Infoset</a></li>
</ul>
<p><a name="References" id="References"></a></p>
<h2><span class="editsection">[<a href="/w/index.php?title=Efficient_XML_Interchange&amp;action=edit&amp;section=2" title="Edit section: References">edit</a>]</span> <span class="mw-headline">References</span></h2>
<div class="references-small references-column-count references-column-count-2" style="-moz-column-count:2; column-count:2;">
<ol class="references">
<li id="cite_note-0"><b><a href="#cite_ref-0">^</a></b> <cite style="font-style:normal" class="web">"<a href="http://www.agiledelta.com/product_efx.html" class="external text" title="http://www.agiledelta.com/product_efx.html" rel="nofollow">Lightning-Fast Delivery of XML to More Devices in More Locations</a>". AgileDelta. <span class="mw-formatted-date" title="2007-05-08"><a href="/wiki/2007" title="2007">2007</a>-<a href="/wiki/May_8" title="May 8">05-08</a></span><span class="printonly">. <a href="http://www.agiledelta.com/product_efx.html" class="external free" title="http://www.agiledelta.com/product_efx.html" rel="nofollow">http://www.agiledelta.com/product_efx.html</a></span><span class="reference-accessdate">. Retrieved on 2007-07-17</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.btitle=Lightning-Fast+Delivery+of+XML+to+More+Devices+in+More+Locations&amp;rft.atitle=&amp;rft.date=%5B%5B2007-05-08%5D%5D&amp;rft.pub=AgileDelta&amp;rft_id=http%3A%2F%2Fwww.agiledelta.com%2Fproduct_efx.html&amp;rfr_id=info:sid/en.wikipedia.org:Efficient_XML_Interchange"><span style="display: none;">&#160;</span></span></li>
</ol>
</div>
<p><a name="External_links" id="External_links"></a></p>
<h2><span class="editsection">[<a href="/w/index.php?title=Efficient_XML_Interchange&amp;action=edit&amp;section=3" title="Edit section: External links">edit</a>]</span> <span class="mw-headline">External links</span></h2>
<ul>
<li><a href="http://www.w3.org/TR/exi/" class="external text" title="http://www.w3.org/TR/exi/" rel="nofollow">Efficient XML Interchange Format 1.0 (Working Draft)</a></li>
<li><a href="http://www.w3.org/XML/EXI/" class="external text" title="http://www.w3.org/XML/EXI/" rel="nofollow">Efficient XML Interchange Working Group home page</a></li>
<li><a href="http://exificient.sourceforge.net/" class="external text" title="http://exificient.sourceforge.net/" rel="nofollow">EXIficient - Open Source implementation of the EXI Format 1.0</a></li>
<li><a href="http://www.w3.org/TR/2005/NOTE-xbc-characterization-20050331/" class="external text" title="http://www.w3.org/TR/2005/NOTE-xbc-characterization-20050331/" rel="nofollow">W3C binary XML requirements</a></li>
</ul>


<!-- 
NewPP limit report
Preprocessor node count: 442/1000000
Post-expand include size: 3563/2048000 bytes
Template argument size: 1161/2048000 bytes
Expensive parser function count: 0/500
-->

<!-- Saved in parser cache with key enwiki:pcache:idhash:12060598-0!1!0!default!!en!2 and timestamp 20090721142028 -->
<div class="printfooter">
Retrieved from "<a href="http://en.wikipedia.org/wiki/Efficient_XML_Interchange">http://en.wikipedia.org/wiki/Efficient_XML_Interchange</a>"</div>
			<div id='catlinks' class='catlinks'><div id="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>: <span dir='ltr'><a href="/wiki/Category:XML" title="Category:XML">XML</a></span> | <span dir='ltr'><a href="/wiki/Category:Markup_languages" title="Category:Markup languages">Markup languages</a></span> | <span dir='ltr'><a href="/wiki/Category:World_Wide_Web_Consortium_standards" title="Category:World Wide Web Consortium standards">World Wide Web Consortium standards</a></span> | <span dir='ltr'><a href="/wiki/Category:Computer_file_formats" title="Category:Computer file formats">Computer file formats</a></span></div></div>			<!-- end content -->
						<div class="visualClear"></div>
		</div>
	</div>
		</div>
		<div id="column-one">
	<div id="p-cactions" class="portlet">
		<h5>Views</h5>
		<div class="pBody">
			<ul lang="en" xml:lang="en">
	
				 <li id="ca-nstab-main" class="selected"><a href="/wiki/Efficient_XML_Interchange" title="View the content page [c]" accesskey="c">Article</a></li>
				 <li id="ca-talk"><a href="/wiki/Talk:Efficient_XML_Interchange" title="Discussion about the content page [t]" accesskey="t">Discussion</a></li>
				 <li id="ca-edit"><a href="/w/index.php?title=Efficient_XML_Interchange&amp;action=edit" title="You can edit this page. &#10;Please use the preview button before saving. [e]" accesskey="e">Edit this page</a></li>
				 <li id="ca-history"><a href="/w/index.php?title=Efficient_XML_Interchange&amp;action=history" title="Past versions of this page [h]" accesskey="h">History</a></li>			</ul>
		</div>
	</div>
	<div class="portlet" id="p-personal">
		<h5>Personal tools</h5>
		<div class="pBody">
			<ul lang="en" xml:lang="en">
				<li id="pt-login"><a href="/w/index.php?title=Special:UserLogin&amp;returnto=Efficient_XML_Interchange" title="You are encouraged to log in; however, it is not mandatory. [o]" accesskey="o">Log in / create account</a></li>
			</ul>
		</div>
	</div>
	<div class="portlet" id="p-logo">
		<a style="background-image: url(http://upload.wikimedia.org/wikipedia/en/b/bc/Wiki.png);" href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"></a>
	</div>
	<script type="text/javascript"> if (window.isMSIE55) fixalpha(); </script>
	<div class='generated-sidebar portlet' id='p-navigation'>
		<h5 lang="en" xml:lang="en">Navigation</h5>
		<div class='pBody'>
			<ul>
				<li id="n-mainpage-description"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z">Main page</a></li>
				<li id="n-contents"><a href="/wiki/Portal:Contents" title="Guides to browsing Wikipedia">Contents</a></li>
				<li id="n-featuredcontent"><a href="/wiki/Portal:Featured_content" title="Featured content — the best of Wikipedia">Featured content</a></li>
				<li id="n-currentevents"><a href="/wiki/Portal:Current_events" title="Find background information on current events">Current events</a></li>
				<li id="n-randompage"><a href="/wiki/Special:Random" title="Load a random article [x]" accesskey="x">Random article</a></li>
			</ul>
		</div>
	</div>
	<div id="p-search" class="portlet">
		<h5 lang="en" xml:lang="en"><label for="searchInput">Search</label></h5>
		<div id="searchBody" class="pBody">
			<form action="/w/index.php" id="searchform"><div>
				<input type='hidden' name="title" value="Special:Search"/>
				<input id="searchInput" name="search" type="text" title="Search Wikipedia [f]" accesskey="f" value="" />
				<input type='submit' name="go" class="searchButton" id="searchGoButton"	value="Go" title="Go to a page with this exact name if one exists" />&nbsp;
				<input type='submit' name="fulltext" class="searchButton" id="mw-searchButton" value="Search" title="Search Wikipedia for this text" />
			</div></form>
		</div>
	</div>
	<div class='generated-sidebar portlet' id='p-interaction'>
		<h5 lang="en" xml:lang="en">Interaction</h5>
		<div class='pBody'>
			<ul>
				<li id="n-aboutsite"><a href="/wiki/Wikipedia:About" title="Find out about Wikipedia">About Wikipedia</a></li>
				<li id="n-portal"><a href="/wiki/Wikipedia:Community_portal" title="About the project, what you can do, where to find things">Community portal</a></li>
				<li id="n-recentchanges"><a href="/wiki/Special:RecentChanges" title="The list of recent changes in the wiki [r]" accesskey="r">Recent changes</a></li>
				<li id="n-contact"><a href="/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia">Contact Wikipedia</a></li>
				<li id="n-sitesupport"><a href="http://wikimediafoundation.org/wiki/Donate/Now/en?utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=spontaneous_donation" title="Support us">Donate to Wikipedia</a></li>
				<li id="n-help"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia">Help</a></li>
			</ul>
		</div>
	</div>
	<div class="portlet" id="p-tb">
		<h5 lang="en" xml:lang="en">Toolbox</h5>
		<div class="pBody">
			<ul>
				<li id="t-whatlinkshere"><a href="/wiki/Special:WhatLinksHere/Efficient_XML_Interchange" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j">What links here</a></li>
				<li id="t-recentchangeslinked"><a href="/wiki/Special:RecentChangesLinked/Efficient_XML_Interchange" title="Recent changes in pages linked from this page [k]" accesskey="k">Related changes</a></li>
<li id="t-upload"><a href="/wiki/Wikipedia:Upload" title="Upload files [u]" accesskey="u">Upload file</a></li>
<li id="t-specialpages"><a href="/wiki/Special:SpecialPages" title="List of all special pages [q]" accesskey="q">Special pages</a></li>
				<li id="t-print"><a href="/w/index.php?title=Efficient_XML_Interchange&amp;printable=yes" rel="alternate" title="Printable version of this page [p]" accesskey="p">Printable version</a></li>				<li id="t-permalink"><a href="/w/index.php?title=Efficient_XML_Interchange&amp;oldid=281230446" title="Permanent link to this revision of the page">Permanent link</a></li><li id="t-cite"><a href="/w/index.php?title=Special:Cite&amp;page=Efficient_XML_Interchange&amp;id=281230446">Cite this page</a></li>			</ul>
		</div>
	</div>
		</div><!-- end of the left (by default at least) column -->
			<div class="visualClear"></div>
			<div id="footer">
				<div id="f-poweredbyico"><a href="http://www.mediawiki.org/"><img src="/skins-1.5/common/images/poweredby_mediawiki_88x31.png" alt="Powered by MediaWiki" /></a></div>
				<div id="f-copyrightico"><a href="http://wikimediafoundation.org/"><img src="/images/wikimedia-button.png" alt="Wikimedia Foundation"/></a></div>
			<ul id="f-list">
					<li id="lastmod"> This page was last modified on 2 April 2009 at 04:58.</li>
					<li id="copyright">Text is available under the <a href="http://en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_Attribution-ShareAlike_3.0_Unported_License">Creative Commons Attribution/Share-Alike License</a>;
additional terms may apply.
See <a href="http://wikimediafoundation.org/wiki/Terms_of_Use">Terms of Use</a> for details.<br/>
Wikipedia&reg; is a registered trademark of the <a href="http://www.wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li>
					<li id="privacy"><a href="http://wikimediafoundation.org/wiki/Privacy_policy" class="extiw" title="wikimedia:Privacy policy">Privacy policy</a></li>
					<li id="about"><a href="/wiki/Wikipedia:About" title="Wikipedia:About">About Wikipedia</a></li>
					<li id="disclaimer"><a href="/wiki/Wikipedia:General_disclaimer" title="Wikipedia:General disclaimer">Disclaimers</a></li>
			</ul>
		</div>
</div>

		<script type="text/javascript">if (window.runOnloadHook) runOnloadHook();</script>
<!-- Served by srv216 in 0.105 secs. --></body></html>
